Advertisers are skillful at creating the impression of loudness through their expert use of such factors.

广告商擅长通过对这些因素的专业使用来营造响亮的印象。

What we found at that stage was that it was basically just Baker and his allies continually retweeting it to create the impression of there being a lot of concern around this issue, said Mat Hope, a former DeSmog editor.

DeSmog前编辑马特-霍普（Mat Hope）说，我们在那个阶段发现，基本上只是贝克和他的盟友不断转发，以制造围绕这个问题有很多人关注的印象。